Bornstein S P, Wilson R H, Cambron N K
Department of Communication Disorders, University of New Hampshire, Durham.
J Am Acad Audiol. 1994 Jul;5(4):259-64.
Two protocols developed for the Tonal and Speech Materials for Auditory Perceptual Assessment audio compact disc are low- and high-pass filtered versions of the Northwestern University Auditory Test No. 6 (female speaker). Two experiments were performed on subjects with normal hearing to determine the needed filter characteristics of the words. In Experiment I, word-recognition performance was determined at 70 dB SPL for four low-pass cut-offs (800 to 1700 Hz) and for four high-pass cut-offs (1700 to 3000 Hz). Based on the data from Experiment I, the low-pass (1500-Hz cut-off) and high-pass (2100-Hz cut-off) conditions were selected for inclusion on the compact disc. In Experiment II, psychometric functions were obtained in quiet for the two filter conditions with lists 3 and 4 included on the compact disc. Because the high-pass filtered words were recorded on channel 1 and concurrently the corresponding low-pass filtered words were recorded on channel 2, a binaural fusion paradigm is also available on the compact disc. For the compact disc trials, which involved 120 subjects with normal hearing, psychometric functions were generated for monaural low-pass, monaural high-pass, and binaural spectral fusion (low- and high-pass) conditions, with each of the subjects providing data at one of six levels for each of three conditions.
为《用于听觉感知评估的音调与语音材料》音频光盘开发的两种协议是西北大学听觉测试第6号（女性说话者）的低通和高通滤波版本。对听力正常的受试者进行了两项实验，以确定单词所需的滤波特性。在实验I中，在70 dB声压级下，针对四个低通截止频率（800至1700 Hz）和四个高通截止频率（1700至3000 Hz）确定单词识别性能。根据实验I的数据，选择低通（1500 Hz截止）和高通（2100 Hz截止）条件纳入光盘。在实验II中，在安静环境下，针对光盘上包含的列表3和列表4，获得了两种滤波条件下的心理测量函数。由于高通滤波后的单词记录在声道1上，同时相应的低通滤波后的单词记录在声道2上，因此光盘上还提供了双耳融合范式。对于涉及120名听力正常受试者的光盘试验，针对单耳低通、单耳高通和双耳频谱融合（低通和高通）条件生成了心理测量函数，每个受试者在三种条件中的每种条件下的六个水平之一提供数据。
